• Puzzle:  What fraction is shaded?

    Puzzle: What fraction is shaded?0

    There’s nothing like a great geometry puzzle to get the Internet into a frenzy.  Ed Southall, author of “Geometry Snacks,” shared a photo of a pink triangle inside of a square and challenged people to figure out how much of the square is shaded pink. Here’s the puzzle: What fraction is shaded? The Solution: According

    READ MORE
  • The Bat and A Ball Problem

    The Bat and A Ball Problem72

    If a baseball and a bat cost $1.10 together, and the bat costs $1.00 more than the ball, how much does the ball cost? Was your answer that the ball cost 10 cents? If so, you’d be wrong. Here’s the solution: Although $1.00 + $0.10 does equal $1.10,  if you take $1.00 – $0.10 you

    READ MORE
  • The 3 Switches Puzzle (and solution)

    The 3 Switches Puzzle (and solution)0

    Can you solve the “3 Switches” puzzle? You are in the basement of a house where there are are three identical on-off switches.  One of them controls a lamp in the attic, and two of them do nothing.  You have no way to see into the attic or to see reflected light from the attic.

    READ MORE

Like Us On Facebook

Facebook Pagelike Widget

Latest Posts